An access descriptor only describes a PC file's format and contents to the SAS System; that is, it is a master description file of the PC file for the SAS System. You cannot use an access descriptor ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...